diff --git a/src/telemetry/Manager.cc b/src/telemetry/Manager.cc
index 69b4ed485a..7b19affc82 100644
--- a/src/telemetry/Manager.cc
+++ b/src/telemetry/Manager.cc
@@ -162,7 +162,9 @@ void Manager::InitPostScript() {
                               });
 #endif
 
-    iosource_mgr->RegisterFd(collector_flare.FD(), this);
+    if ( ! iosource_mgr->RegisterFd(collector_flare.FD(), this) ) {
+        reporter->FatalError("Failed to register telemetry collector descriptor");
+    }
 }
 
 void Manager::Terminate() {